Automated Fortran–C++ Bindings for Large-Scale Scientific Applications

Johnson, Seth R.; Prokopenko, Andrey; Evans, Katherine

doi:10.1109/mcse.2019.2924204

Automated Fortran–C++ Bindings for Large-Scale Scientific Applications

Journal Article · Tue Jun 25 00:00:00 EDT 2019 · Computing in Science and Engineering

DOI:https://doi.org/10.1109/mcse.2019.2924204· OSTI ID:1649607

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Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Although many active scientific codes use modern Fortran, most contemporary scientific software libraries are implemented in C and C++. Providing their numerical, algorithmic, or data management features to Fortran codes requires writing and maintaining substantial amounts of glue code. This paper introduces a tool that automatically generates native Fortran 2003 interfaces to C and C++ libraries. The tool supports C++ features that have no direct Fortran analog, such as templated functions and exceptions. Finally, a set of simple examples demonstrates the utility and scope of the tool, and timing measurements with a mock numerical library illustrate the minimal performance impact of the generated wrapper code.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1649607

Journal Information:: Computing in Science and Engineering, Journal Name: Computing in Science and Engineering Journal Issue: 5 Vol. 22; ISSN 1521-9615

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

97 MATHEMATICS AND COMPUTING
C++
SWIG
fortran
scientific codes
software interoperability
software reusability

Automated Fortran–C++ Bindings for Large-Scale Scientific Applications

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